Quiz about Luas Lingkaran

Question 1

Rumus Keliling Lingkaran adalah...

Accepted Answer

2 x $$\pi$$ x r

Answer

$$\pi\ $$ x r $$^2$$

Answer

$$\pi$$ x r x r

Answer

$$\frac{1}{2}$$ x $$\pi$$ x r

Question 2

Rumus mencari luas lingkaran jika diketahui jari-jari adalah...

Accepted Answer

$$\pi$$ x $$r^2$$

Answer

$$1\ x\ \pi\ x\ r$$

Answer

$$\frac{1}{4}\pi d^2$$

Answer

$$2xrxr$$

Question 3

Rumus luas lingkaran Jika diketahui diameter adalah ...

Accepted Answer

$$\frac{1}{4}\pi d^2$$

Answer

$$\pi\ x\ d$$

Answer

$$\frac{1}{4}\pi r^2$$

Answer

$$\frac{1}{2}\pi dd$$

Question 4

Hitunglah luas lingkaran jika r = 7 adalah....

Accepted Answer

$$154\ cm^2$$

Answer

$$21,9\ cm^2$$

Answer

$$145\ cm^2$$

Answer

$$144\ cm^2$$

Question 5

Sebuah roda memiliki diameter 10 cm, berapa luas roda tersebut ....

Accepted Answer

$$78,5\ cm^2$$

Answer

$$3,14\ cm^2$$

Answer

$$7,85\ cm^2$$

Answer

$$314\ cm^2$$

Question 6

Pilihlah rumus luas setengah lingkaran yang sesuai jika diketahui diameter lingkaran ...

Accepted Answer

$$\frac{1}{2}\ x\ \frac{1}{4}\ x\ \pi\ x\ d^2$$

Answer

$$\frac{1}{2}\ x\ \frac{1}{4}\ x\ \pi\ x\ r\ x\ r$$

Answer

$$\frac{1}{2}\ x\ \pi\ x\ d\ x\ d$$

Answer

$$\frac{1}{4}\ x\ \pi\ x\ d\ x\ d$$

Question 7

Keliling lingkaran 88 cm, berapa luasnya ....

Accepted Answer

$$44cm^2$$

Answer

$$14cm^2$$

Answer

$$88\ cm^2$$

Answer

$$22cm^2$$

Question 8

Angka dibawah ini yang merupakan kelipatan 7 adalah ...

Accepted Answer

56

Answer

41

Answer

62

Answer

36

Question 9

luas daerah yang di arsir padagambar berikut adalah .... $$cm^2$$

Accepted Answer

71

Answer

47

Answer

44

Answer

33

Question 10

2 x 5 x 6 x 3 + 20 = ....

Accepted Answer

200

Answer

180

Answer

176

Answer

38

Luas Lingkaran

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